Austrian physician; born at Korompa, Hungary, March 21, 1847. He was educated at the gymnasia at Hódmezö-Vásárhely and Szegedin, and at the University of Vienna (M.D. 1871). From 1871 to 1876 he was assistant physician at the Allgemeine Krankenhaus at Vienna; he became privat-docent at Vienna University in 1876, and professor in 1898.
Heitler wrote the following articles: "Histologische Studien über Genuine Croupöse Pneumonie," in "Medizinische Jahrbücher," 1874; "Ueber Relative Schliessungsunfähigkeit der Herzklappen" (1880), "Ueber Akute Herzerweiterung" (1882), "Ueber Primäre Interstitielle Pneumonie" (1884), and "Zur Klinik des Icterus Catarrhalis" (1887), in "Wiener Medizinische Wochenschrift"; "Ueber die Thermischen und Mechanischen Einflüsse auf den Tonus des Herzmuskels," in "Centralblatt für die Gesammte Therapie," 1894; "Arhythmie Durch Reizung des Pericardiums," in "Wiener Klinische Wochenschrift," 1898; "Ueber Reflectorische Pulserregung," in "Centralblatt für Innere Medicin," 1901; etc. He also wrote "Ovid's Vérbannung," Vienna, 1898.